Re: function array_to_string(text[]) does not exist

From: Jov <amutu(at)amutu(dot)com>
To: Victor Sterpu <victor(at)caido(dot)ro>
Cc: pgsql-sql <pgsql-sql(at)postgresql(dot)org>
Subject: Re: function array_to_string(text[]) does not exist
Date: 2013-08-25 12:33:31
Message-ID: CADyrUxMqRf5ZOt-YkJhijzovi6d=tEUoC=O-j_Hmdw1PtBLw7Q@mail.gmail.com
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Yes,array_to_string(text[]) does not exist.
This from the doc may help:
array_to_string(anyarray,text [, text]) text concatenates array elements
using supplied delimiter and optional null stringarray_to_string(ARRAY[1,
2, 3, NULL, 5], ',', '*') 1,2,3,*,5

Jov
blog: http:amutu.com/blog <http://amutu.com/blog>

2013/8/25 Victor Sterpu <victor(at)caido(dot)ro>

> Hello
>
> When I run :
> SELECT array_to_string(array_agg(CONCAT(CAST (ltrv1.val_min AS CHAR), '-',
> CAST(ltrv1.val_max AS CHAR), ' ', ltrv1.comentarii)))
> FROM lab_tests_reference_values ltrv1
> GROUP BY ltrv1.val_min, ltrv1.val_max, ltrv1.comentarii;
>
> I get the error:
> ERROR: function array_to_string(text[]) does not exist
> LINE 1: SELECT array_to_string(array_agg(CONCAT(CAST (ltrv1.val_min ...
> ^
> HINT: No function matches the given name and argument types. You might
> need to add explicit type casts.
>
> I tryed to cast but it's still not working.
>
> Thanku you.
>
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